
html,body{
    width: 100%;
    height: 100%;
}
.contenair{
    width: 200px;
    height: 200px;
    background-color: #6d6d72;
    margin: 100px auto;
    position: relative;
    border-radius: 100%;
}

#pedometer{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
